Mike,
Nope, 5100 and 5150 are docsis 2.0 only. They'll still "work", just
only at 15mb/s and down (unless they figure out a 2.5 hack or some
such). Docsis 3.0 is its own new beast all together.
Another round of modems for everyone! At least for 3.0 goodness.
-mb
On Wed, 2009-07-29 at 08:09 -0400, mike havens wrote:
> will the sb5100 still be usable?
>
> On Tue, Jul 28, 2009 at 11:31 PM, Michael Butash <michael@butash.net>
> wrote:
> David,
>
> No, sorry to say, but you can't upgrade via firmware. New
> docsis 3.0
> uses something of a MIMO-kind of muxing of multiple
> upstream/downstream
> channels, much the way 802.11n does, or some of the bastard
> hack
> variants of 802.11g do for "speed boost" resulting in
> increased
> bandwidth. This requires more granular/precise clocking,
> faster
> processing, whole new chipsets, and a gigabit ethernet port
> (150mb/s
> theoretical max downstream) to achieve this. The only modem I
> know of
> on the market currently is the Motorola Surfboard 6120, which
> frys sells
> for around 90 bucks.
>
> If I'm not mistaken, I think 2.0 is good to around 12-15mb/s
> tiers
> because it does some channel-bonding itself, just not to the
> level to
> get the 25mb/s down cox is starting to roll out, or the 50mb/s
> charter/comcast are on the east cost.
>
> -mb
>
>
>
> On Tue, 2009-07-28 at 17:19 -0700, David Munson wrote:
> > Anyone know if existing 2.0 compliant cable modems can be
> updated to
> > support 3.0 (presumably via firmware), or will I have to get
> a new
> > cable modem once 3.0 is rolled out in my area?
> >
> > I have a Linksys BEFCMU10 cable modem and it's served me
> well for the
> > past 5 years, but I haven't seen anything from Linksys
> (geared for
> > home use, anyway) that's DOCSIS 3.0 compliant.
> >
> > On Tue, Jul 28, 2009 at 2:03 PM, Michael Butash
> <michael@butash.net>
> > wrote:
> > Most any will work, just avoid the really
> cheap/off-brand ones
> > (best-data frys specials are known by cox to have
> issues with
> > latest
> > infrastructure code, now unsupported). I'd
> recommend making
> > sure it's
> > at least docsis 2.0 capable, and if you want the
> really high
> > tiers of
> > service (15mb+) get a motorola 6120, as they support
> docsis
> > 3.0 which is
> > rolling out now.
> >
> > -mb
> >
> >
> >
> > On Tue, 2009-07-28 at 12:54 -0700, Jason Holtzapple
> wrote:
> > > mike havens wrote:
> > > > that was probably a stupid quesxtion; is a cable
> modem a
> > cable modem...
> > > > meaning any of them will work on any system?
> > >
> > > If cox is the provider, they have a supported
> list:
> > >
> > >
> http://support.cox.com/sdccommon/asp/contentredirect.asp
> > >
> > > I have and use a Motorola SB5101 and have no
> issues.
> > >
> > > --Jason
> > >
> >
> >
> > >
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> --
> :-)~MIKE~(-:
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